20047616

素因数分解:

$2^8\times {\mathrm{78311}}^1$

素因数の和:78327

約数の個数: 18

約数和(自身を含む): 40017432

約数和(自身を除く): 19969816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78311, 156622, 313244, 626488, 1252976, 2505952, 5011904, 10023808, 20047616]

約数ペア:

[(1, 20047616), (2, 10023808), (4, 5011904), (8, 2505952), (16, 1252976), (32, 626488), (64, 313244), (128, 156622), (256, 78311)]